target_sources(ale
  PRIVATE
    Adventure.cpp
    AirRaid.cpp
    Alien.cpp
    Amidar.cpp
    Assault.cpp
    Asterix.cpp
    Asteroids.cpp
    Atlantis.cpp
    Atlantis2.cpp
    Backgammon.cpp
    BankHeist.cpp
    BasicMath.cpp
    BattleZone.cpp
    BeamRider.cpp
    Berzerk.cpp
    Blackjack.cpp
    Bowling.cpp
    Boxing.cpp
    Breakout.cpp
    Carnival.cpp
    Casino.cpp
    Centipede.cpp
    ChopperCommand.cpp
    CrazyClimber.cpp
    Crossbow.cpp
    DarkChambers.cpp
    Defender.cpp
    DemonAttack.cpp
    DonkeyKong.cpp
    DoubleDunk.cpp
    Earthworld.cpp
    ElevatorAction.cpp
    Enduro.cpp
    Entombed.cpp
    Et.cpp
    FishingDerby.cpp
    FlagCapture.cpp
    Freeway.cpp
    Frogger.cpp
    Frostbite.cpp
    Galaxian.cpp
    Gopher.cpp
    Gravitar.cpp
    Hangman.cpp
    HauntedHouse.cpp
    Hero.cpp
    HumanCannonball.cpp
    IceHockey.cpp
    JamesBond.cpp
    JourneyEscape.cpp
    Kaboom.cpp
    Kangaroo.cpp
    KeystoneKapers.cpp
    Kingkong.cpp
    Klax.cpp
    Koolaid.cpp
    Krull.cpp
    KungFuMaster.cpp
    LaserGates.cpp
    LostLuggage.cpp
    MarioBros.cpp
    MiniatureGolf.cpp
    MontezumaRevenge.cpp
    MrDo.cpp
    MsPacman.cpp
    NameThisGame.cpp
    Othello.cpp
    Pacman.cpp
    Phoenix.cpp
    Pitfall.cpp
    Pitfall2.cpp
    Pong.cpp
    Pooyan.cpp
    PrivateEye.cpp
    QBert.cpp
    RiverRaid.cpp
    RoadRunner.cpp
    RoboTank.cpp
    Seaquest.cpp
    SirLancelot.cpp
    Skiing.cpp
    Solaris.cpp
    SpaceInvaders.cpp
    SpaceWar.cpp
    StarGunner.cpp
    Superman.cpp
    Surround.cpp
    Tennis.cpp
    Tetris.cpp
    TicTacToe3d.cpp
    TimePilot.cpp
    Trondead.cpp
    Turmoil.cpp
    Tutankham.cpp
    UpNDown.cpp
    Venture.cpp
    VideoCheckers.cpp
    VideoChess.cpp
    VideoCube.cpp
    VideoPinball.cpp
    WizardOfWor.cpp
    WordZapper.cpp
    YarsRevenge.cpp
    Zaxxon.cpp
)
